CN212147414U - Exhaust mechanism of injection molding machine - Google Patents
Exhaust mechanism of injection molding machine Download PDFInfo
- Publication number
- CN212147414U CN212147414U CN202020364904.3U CN202020364904U CN212147414U CN 212147414 U CN212147414 U CN 212147414U CN 202020364904 U CN202020364904 U CN 202020364904U CN 212147414 U CN212147414 U CN 212147414U
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- injection molding
- molding machine
- exhaust
- exhaust pipe
- fixed
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 39
- 230000007246 mechanism Effects 0.000 title claims abstract description 30
- 230000000903 blocking effect Effects 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 description 6
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 210000004907 gland Anatomy 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000013022 venting Methods 0.000 description 3
- 238000007791 dehumidification Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007872 degassing Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an exhaust mechanism of injection molding machine, its technical scheme main points are: the air outlet is formed in an extrusion pipeline in an injection molding machine, a first exhaust pipe is fixed to the position of the exhaust port of the extrusion pipeline, the end of the first exhaust pipe is detachably connected with a second exhaust pipe, the top of the second exhaust pipe is detachably connected with an air release box, an air cavity is formed in the air release box, a protruding pipeline integrally formed with the air release box is arranged at the bottom of the air release box, the protruding pipeline is detachably connected with the second exhaust pipe, a blocking block is connected in the air cavity in a sliding mode, a rubber sealing ring is fixed to the outer portion of the blocking block, a pull rod is fixed to the blocking block, the pull rod is connected in the air release box in a sliding mode, and a limiting block is fixed to the end of the pull rod; this exhaust mechanism of injection molding machine can carry out manually operation when disappointing, need not rely on electric power, and simple structure, convenient operation.
Description
Technical Field
The utility model relates to a production field of moulding plastics, in particular to exhaust mechanism of injection molding machine.
Background
Screw injection molding machines are one of the most widely used injection molding machine products at present. When the screw injection molding machine works, granular or powdery plastic is generally added into a charging barrel, the plastic is made into a molten state through the rotation of a screw rod in the charging barrel and the heating of the charging barrel, then the rotation of the screw rod drives the plastic to be pushed forwards, so that the plastic is ejected from a nozzle at high pressure and high speed, injected into a closed mold, and solidified into a required molded plastic product after pressure maintaining and cooling.
The raw materials are required to be dried before the partial screw injection molding machine feeds materials, so that the moisture in the raw materials is reduced, a dryer or a dehumidifier is required to be arranged on the injection molding machine, the cost is increased, the production environment is influenced, and the stability of the material properties of the raw materials after the baking and dehumidifying treatment is poor. The part screw type injection molding machine is provided with an exhaust port on the charging barrel, but the phenomenon that the exhaust port is blocked often occurs in the existing injection molding machine, and the dehumidification effect is difficult to ensure. The existing injection molding machine has poor product quality because of poor dehumidification and degassing effects.
The prior Chinese patent with publication number CN209566473U discloses an exhaust mechanism of an injection molding machine, which comprises a charging barrel and a screw rod, wherein the top of the charging barrel is communicated with an exhaust pipe, the top of the exhaust pipe is provided with a sealing cover, a piston is arranged in the exhaust pipe, and the piston is driven by a push rod motor; the exhaust hole has been seted up to the lateral wall of blast pipe, and the exhaust hole outside is equipped with the air duct, and the end of air duct makes progress vertical bending, and the end fixing is equipped with the valve body that is the tubbiness, and valve body inner wall bottom is bucket column structure, and valve body bottom center and air duct intercommunication, and the valve body top is equipped with the gland, is equipped with the through-hole on the gland, is equipped with globular case in the valve body, passes through spring coupling between gland bottom surface and the globular.
The above-described venting mechanism for an injection molding machine has the advantage of being deflatable, but the above-described venting mechanism for an injection molding machine still has some disadvantages, such as: firstly, an electric push rod is adopted for control during air leakage, and electric power is needed, so that energy is not saved, and the air leakage valve is easy to damage; and secondly, the air leakage mechanism is inconvenient to detach from the extrusion pipeline for cleaning.
SUMMERY OF THE UTILITY MODEL
To the problem mentioned in the background art, the utility model aims at providing an exhaust mechanism of injection molding machine to solve the problem mentioned in the background art.
The above technical purpose of the present invention can be achieved by the following technical solutions:
an exhaust mechanism of an injection molding machine comprises an exhaust port arranged on an extrusion pipeline in the injection molding machine, wherein a first exhaust pipe is fixed at the exhaust port of the extrusion pipeline, the end part of the first exhaust pipe is detachably connected with a second exhaust pipe, the top part of the second exhaust pipe is detachably connected with an air leakage box, an air cavity is arranged inside the air leakage box, the bottom of the air leakage box is provided with a protruded pipeline integrally formed with the air leakage box, the protruded pipeline is detachably connected with the second exhaust pipe, a plugging block is connected in the air cavity in a sliding manner, a rubber sealing ring is fixed outside the plugging block, a pull rod is fixed on the plugging block and is connected in the air leakage box in a sliding manner, a limiting block is fixed at the end part of the pull rod, a first spring is sleeved outside the pull rod, one end of the first spring is fixed on the limiting block, the other end of the first spring is fixed outside the air leakage box, the air release box is also provided with a plurality of air release holes.
By adopting the technical scheme, when the air exhaust mechanism of the injection molding machine is deflated, an operator can pull the sliding pull rod in the air exhaust box to drive the first spring between the limiting block and the air exhaust box to be stretched to drive the blocking block and the rubber sealing ring outside the blocking block to slide in the air cavity, so that the end part of the protruding pipeline is opened, the air flow in the extruded pipeline can flow out of the air exhaust hole in the air exhaust box, the air exhaust process is finished, the manual operation can be carried out, the air exhaust mechanism does not need to rely on electric power, and the air exhaust mechanism is simple in structure and convenient to operate; in addition, can dismantle between first blast pipe and the second blast pipe among the exhaust mechanism of this injection molding machine, the second blast pipe with leak and dismantle between the box for it can dismantle to leak the box, conveniently clears up it.
Preferably, a threaded hole is formed in the blocking block, and one end of the pull rod is connected in the threaded hole in a threaded mode.
Through adopting above-mentioned technical scheme, through with pull rod threaded connection can make things convenient for the installation of pull rod fixed in the screw hole.
Preferably, a sliding groove is formed in the pull rod, a positioning column is connected to the inside of the sliding groove in a sliding mode, a second spring is connected between the positioning column and the bottom of the sliding groove, and a positioning hole for inserting the positioning column is formed in the plugging block.
Through adopting above-mentioned technical scheme, when the complete screw thread hole of pull rod, under the elastic force effect of second spring in the sliding tray, the reference column can insert the installation location of realizing the pull rod in the locating hole.
Preferably, a first collar is fixed at the end of the first exhaust pipe, a second collar is fixed at the bottom end of the second exhaust pipe, and a threaded ring sleeve is connected to the outer portions of the first collar and the second collar through common threads.
Through adopting above-mentioned technical scheme, can realize the connection between first blast pipe and the second blast pipe fixedly when screwing up the outside screw thread ring cover of first collar and second collar.
Preferably, the first collar and the second collar have a first annular groove formed on their surfaces close to each other, and an O-ring is disposed in the first annular groove.
Through adopting above-mentioned technical scheme, the O shape circle in the first ring channel can increase the leakproofness of being connected between first blast pipe and the second blast pipe.
Preferably, a first fixed disk is fixed at the top end of the second exhaust pipe, a second fixed disk is fixed at the bottom end of the protruding pipeline, and the first fixed disk is connected with the second fixed disk through a plurality of screws.
Through adopting above-mentioned technical scheme, can realize that the second blast pipe is fixed with being connected between the protruding pipeline when screwing up the screw on first fixed disk and the second fixed disk.
Preferably, the first fixed disk and the second fixed disk are provided with a second annular groove on the surfaces close to each other, and a sealing ring gasket is arranged in the second annular groove.
Through adopting above-mentioned technical scheme, the sealing ring pad in the second ring channel can increase the leakproofness of being connected between bulge pipe and the second blast pipe.
Preferably, the limiting block is in threaded connection with a pull ring.
Through adopting above-mentioned technical scheme, the pull ring on the stopper can make things convenient for the operator to stimulate the pull rod.
To sum up, the utility model discloses mainly have following beneficial effect:
when the exhaust mechanism of the injection molding machine deflates, an operator can pull the sliding pull rod in the deflating box to drive the first spring between the limiting block and the deflating box to be stretched and drive the blocking block and the rubber sealing ring outside the blocking block to slide in the air cavity, so that the end part of the protruding pipeline is opened, airflow in the extruded pipeline can flow out of the deflating hole in the deflating box, the exhaust process is finished, manual operation can be performed, electric power does not need to be relied on, the structure is simple, and the operation is convenient; in addition, can dismantle between first blast pipe and the second blast pipe among the exhaust mechanism of this injection molding machine, the second blast pipe with leak and dismantle between the box for it can dismantle to leak the box, conveniently clears up it.
Drawings
FIG. 1 is a schematic view of the structure of a vent mechanism of an injection molding machine;
FIG. 2 is a structural sectional view of an exhaust mechanism of the injection molding machine;
FIG. 3 is an enlarged view taken at A in FIG. 2;
fig. 4 is an enlarged view of fig. 2 at B.
Reference numerals: 1. extruding a pipe; 2. an exhaust port; 3. a first exhaust pipe; 4. a second exhaust pipe; 5. A venting box; 6. an air cavity; 7. a protruding conduit; 8. a plugging block; 9. a rubber seal ring; 10. a pull rod; 11. A limiting block; 12. a first spring; 13. an air release hole; 14. a threaded hole; 15. a sliding groove; 16. a positioning column; 17. a second spring; 18. positioning holes; 19. a first collar; 20. a second collar; 21. a threaded ring sleeve; 22. a first annular groove; 23. an O-shaped ring; 24. a first fixed disk; 25. a second fixed disk; 26. A screw; 27. a second annular groove; 28. a sealing ring gasket; 29. and (4) a pull ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, a vent mechanism of an injection molding machine includes a vent port 2 opened on an extrusion line 1 of the injection molding machine; in order to discharge partial gas when the pressure in the extrusion pipeline 1 is too high, a first exhaust pipe 3 is fixed at an exhaust port 2 of the extrusion pipeline 1, a second exhaust pipe 4 is detachably connected to the end part of the first exhaust pipe 3, a gas release box 5 is detachably connected to the top part of the second exhaust pipe 4, wherein an air cavity 6 is arranged inside the gas release box 5, a protruding pipeline 7 which is integrally formed with the gas release box 5 is arranged at the bottom part of the gas release box 5, the protruding pipeline 7 is detachably connected with the second exhaust pipe 4, a blocking block 8 is slidably connected in the air cavity 6, a rubber sealing ring 9 is fixed outside the blocking block 8, a pull rod 10 is fixed on the blocking block 8, the pull rod 10 is slidably connected in the gas release box 5, a limiting block 11 is fixed at the end part of the pull rod 10, a first spring 12 is sleeved outside the pull rod 10, one end of the first spring 12 is fixed on the limiting block 11, the other end of the first spring 12 is fixed outside the air release box 5, and two air release holes 13 are further formed in the air release box 5.
Referring to fig. 1 and 2, when the air discharging mechanism of the injection molding machine discharges air, an operator can pull a pull rod 10 sliding in an air discharging box 5 to drive a first spring 12 between a limiting block 11 and the air discharging box 5 to be stretched to drive a blocking block 8 and a rubber sealing ring 9 outside the blocking block to slide in an air cavity 6, so that the end part of a protruding pipeline 7 is opened, the air flow in an extrusion pipeline 1 can flow out from an air discharging hole 13 in the air discharging box 5, the air discharging process is finished, manual operation can be performed, electric power does not need to be relied on, the structure is simple, and the operation is convenient; in addition, can dismantle between first blast pipe 3 and the second blast pipe 4 among the exhaust mechanism of this injection molding machine, can dismantle between second blast pipe 4 and the box 5 of leaking gas for it can be dismantled, conveniently clears up it to the box 5 of leaking gas.
Referring to fig. 2 and 3, in order to fix the pull rod 10 on the blocking block 8 conveniently, a threaded hole 14 is formed in the blocking block 8, one end of the pull rod 10 is connected in the threaded hole 14 in a threaded manner, and the pull rod 10 can be conveniently installed and fixed by connecting the pull rod 10 in the threaded hole 14 in a threaded manner; meanwhile, a sliding groove 15 is formed in the pull rod 10, a positioning column 16 is connected in the sliding groove 15 in a sliding mode, a second spring 17 is connected between the positioning column 16 and the bottom of the sliding groove 15, a positioning hole 18 for inserting the positioning column 16 is formed in the blocking block 8, and when the pull rod 10 is completely threaded through the threaded hole 14, the positioning column 16 can be inserted into the positioning hole 18 under the elastic force action of the second spring 17 in the sliding groove 15 to achieve installation and positioning of the pull rod 10.
Referring to fig. 2 and 4, in order to facilitate the connection and fixation of the first exhaust pipe 3 and the second exhaust pipe 4, a first collar 19 is fixed at the end of the first exhaust pipe 3, a second collar 20 is fixed at the bottom end of the second exhaust pipe 4, a threaded collar 21 is screwed on the outer portions of the first collar 19 and the second collar 20 together, and the connection and fixation between the first exhaust pipe 3 and the second exhaust pipe 4 can be realized when the threaded collar 21 on the outer portions of the first collar 19 and the second collar 20 is screwed; meanwhile, the first annular groove 22 is formed on the surface, close to each other, of the first shaft ring 19 and the second shaft ring 20, an O-shaped ring 23 is arranged in the first annular groove 22, and the connection sealing performance between the first exhaust pipe 3 and the second exhaust pipe 4 can be improved by the O-shaped ring 23 in the first annular groove 22.
Referring to fig. 2 and 4, in order to facilitate the connection and fixation between the second exhaust pipe 4 and the protruding duct 7, a first fixing plate 24 is fixed at the top end of the second exhaust pipe 4, a second fixing plate 25 is fixed at the bottom end of the protruding duct 7, the first fixing plate 24 and the second fixing plate 25 are connected through four screws 26, and when the screws 26 on the first fixing plate 24 and the second fixing plate 25 are screwed, the connection and fixation between the second exhaust pipe 4 and the protruding duct 7 can be realized; meanwhile, a second annular groove 27 is formed in the first fixing disc 24 and the second fixing disc 25 on the surfaces close to each other, a sealing ring gasket 28 is arranged in the second annular groove 27, and the sealing ring gasket 28 in the second annular groove 27 can increase the connection sealing performance between the protruding pipeline 7 and the second exhaust pipe 4.
Referring to fig. 1 and 2, in order to facilitate opening and closing operations, a pull ring 29 is connected to the limiting block 11 in a threaded manner, and the pull ring 29 on the limiting block 11 can facilitate an operator to pull the pull rod 10 to open the air release hole 13.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides an exhaust mechanism of injection molding machine, is including offering exhaust port (2) on extruding pipeline (1) in the injection molding machine, its characterized in that: the extrusion pipeline (1) is fixedly provided with a first exhaust pipe (3) at the exhaust port (2), the end part of the first exhaust pipe (3) is detachably connected with a second exhaust pipe (4), the top part of the second exhaust pipe (4) is detachably connected with an air release box (5), an air cavity (6) is formed in the air release box (5), the bottom of the air release box (5) is provided with a convex pipeline (7) integrally formed with the air release box (5), the convex pipeline (7) is detachably connected with the second exhaust pipe (4), a plugging block (8) is connected in the air cavity (6) in a sliding manner, a rubber sealing ring (9) is fixedly arranged outside the plugging block (8), a pull rod (10) is fixedly arranged on the plugging block (8), the pull rod (10) is connected in the air release box (5) in a sliding manner, and a limiting block (11) is fixedly arranged at the end part of the pull rod (10), the outside cover of pull rod (10) is equipped with first spring (12), the one end of first spring (12) is fixed on stopper (11), the other end of first spring (12) is fixed it is outside to let out gas box (5), it still has seted up a plurality of and has lost heart hole (13) on gas box (5).
2. The exhaust mechanism of an injection molding machine according to claim 1, wherein: a threaded hole (14) is formed in the blocking block (8), and one end of the pull rod (10) is connected in the threaded hole (14) in a threaded mode.
3. The exhaust mechanism of an injection molding machine according to claim 2, wherein: the inside sliding tray (15) of having seted up of pull rod (10), sliding tray (15) internal sliding is connected with reference column (16), reference column (16) with be connected with second spring (17) between sliding tray (15) tank bottom, it supplies to have seted up in shutoff piece (8) reference column (16) male locating hole (18).
4. The exhaust mechanism of an injection molding machine according to claim 1, wherein: the end of the first exhaust pipe (3) is fixed with a first collar (19), the bottom end of the second exhaust pipe (4) is fixed with a second collar (20), and the outer portions of the first collar (19) and the second collar (20) are connected with a threaded ring sleeve (21) in a threaded mode.
5. The exhaust mechanism of an injection molding machine according to claim 4, wherein: the first collar (19) and the second collar (20) are provided with a first annular groove (22) on the surfaces close to each other, and an O-shaped ring (23) is arranged in the first annular groove (22).
6. The exhaust mechanism of an injection molding machine according to claim 1, wherein: second blast pipe (4) top is fixed with first fixed disk (24), bulge pipeline (7) bottom mounting has second fixed disk (25), first fixed disk (24) with connect through a plurality of screw (26) between second fixed disk (25).
7. The exhaust mechanism of an injection molding machine according to claim 6, wherein: the first fixed disk (24) and the second fixed disk (25) are provided with a second annular groove (27) on the surfaces close to each other, and a sealing ring gasket (28) is arranged in the second annular groove (27).
8. The exhaust mechanism of an injection molding machine according to claim 1, wherein: and the limiting block (11) is in threaded connection with a pull ring (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364904.3U CN212147414U (en) | 2020-03-21 | 2020-03-21 | Exhaust mechanism of injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020364904.3U CN212147414U (en) | 2020-03-21 | 2020-03-21 | Exhaust mechanism of injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212147414U true CN212147414U (en) | 2020-12-15 |
Family
ID=73717028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020364904.3U Expired - Fee Related CN212147414U (en) | 2020-03-21 | 2020-03-21 | Exhaust mechanism of injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212147414U (en) |
-
2020
- 2020-03-21 CN CN202020364904.3U patent/CN212147414U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |